system: clear out /usr/local/bin

Remove unused clutter, move the rest to /usr/local/sbin, because
these are system administration scripts, not for entertainment of
the individual users.

src/bin/runmsntp.sh

-#!/bin/sh
-
-# write our PID to file
-echo $$ > $1
-
-# execute msntp in endless loop; restart if it
-# exits (wait 1 second to avoid restarting too fast in case
-# the network is not yet setup)
-while true; do
-	/usr/local/bin/msntp -v -r -P no -l $2 -x $3 $4 2>&1 | logger -p daemon.info -i -t msntp
-	sleep 60
-done

src/bin/slowdownpipe.sh

-#!/bin/sh
-# Illustrates use of a while loop to read a file
-
-cat - |   \
-while read line
-do
-	echo "$line"
-	sleep 0.01
-done

src/etc/inc/interfaces.inc

@@ -1971,7 +1971,7 @@ EOD;
 			$mondev  = substr(basename($port), 0, -1) . "1";
 		}
 		log_error("Starting 3gstats.php on device '{$mondev}' for interface '{$interface}'");
-		mwexec_bg("/usr/local/bin/3gstats.php {$mondev} {$interface}");
+		mwexec_bg("/usr/local/sbin/3gstats.php {$mondev} {$interface}");
 	}
 
 	return 1;

src/etc/inc/rrd.inc

@@ -223,7 +223,7 @@ function enable_rrd_graphing()
 	$cpustats = "/usr/local/sbin/cpustats";
 	$spamd_gather = "/usr/local/bin/spamd_gather_stats.php";
 	$ifconfig = "/sbin/ifconfig";
-	$captiveportal_gather = "/usr/local/bin/captiveportal_gather_stats.php";
+	$captiveportal_gather = "/usr/local/sbin/captiveportal_gather_stats.php";
 	$ntpq = "/usr/local/sbin/ntpq";
 
 	$rrdtrafficinterval = 60;

src/etc/rc

@@ -257,7 +257,7 @@ echo "done."
 /usr/local/etc/rc.opnsense start
 
 # Start ping handler every 240 seconds
-minicron 240 /var/run/ping_hosts.pid /usr/local/bin/ping_hosts.sh
+minicron 240 /var/run/ping_hosts.pid /usr/local/sbin/ping_hosts.sh
 
 # Start account expire handler every hour
 minicron 3600 /var/run/expire_accounts.pid /usr/local/etc/rc.expireaccounts
@@ -274,7 +274,7 @@ if [ "${GMIRROR_STATUS}" != "" ]; then
 	minicron 60 /var/run/gmirror_status_check.pid /usr/local/sbin/gmirror_status_check.php
 fi
 
-/usr/local/bin/beep.sh start 2>&1 >/dev/null
+/usr/local/sbin/beep.sh start
 
 /usr/local/etc/rc.initial.banner
 

src/etc/rc.halt.common

 #!/bin/sh
 
 # run beep sequence if enabled
-/usr/local/bin/beep.sh stop
+/usr/local/sbin/beep.sh stop
 
 # shutdown rc scripts
 /usr/local/etc/rc.opnsense stop